Inventor
SULLIVAN ERIC
US33 patents
⚠️ This page may combine multiple inventors who share the name “SULLIVAN ERIC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRINH TU TIEN
12 patentsUS8215384B2Jul 10, 2012
Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensor
TRINH TU TIEN35 citations92
US8210280B2Jul 3, 2012
Bit based formation evaluation using a gamma ray sensor
TRINH TU TIEN22 citations92
US8245792B2Aug 21, 2012
Drill bit with weight and torque sensors and method of making a drill bit
TRINH TU TIEN28 citations91
US8245793B2Aug 21, 2012
Apparatus and method for determining corrected weight-on-bit
TRINH TU TIEN10 citations84
US8695728B2Apr 15, 2014
Formation evaluation using a bit-based active radiation source and a gamma ray detector
TRINH TU TIEN7 citations83
US8893822B2Nov 25, 2014
Apparatus and methods for real time communication between drill bit and drilling assembly
TRINH TU TIEN5 citations73
US8573326B2Nov 5, 2013
Method and apparatus to adjust weight-on-bit/torque-on-bit sensor bias
TRINH TU TIEN5 citations73
US9328561B2May 3, 2016
Drill bits with sensors for formation evaluation
TRINH TU TIEN3 citations71
US8573327B2Nov 5, 2013
Apparatus and methods for estimating tool inclination using bit-based gamma ray sensors
TRINH TU TIEN3 citations61
US8887832B2Nov 18, 2014
Apparatus and methods for corrosion protection of downhole tools
TRINH TU TIEN1 citations52
US9920614B2Mar 20, 2018
Apparatus and method for drilling wellbores based on mechanical specific energy determined from bit-based weight and torque sensors
TRINH TU TIEN1 citations50
US9004161B2Apr 14, 2015
Apparatus and methods for real time communication in drill strings
TRINH TU TIEN0 citations41
BAKER HUGHES INC
9 patentsUS7387177B2Jun 17, 2008
Bearing insert sleeve for roller cone bit
BAKER HUGHES INC73 citations97
US7621346B1Nov 24, 2009
Hydrostatic bearing
BAKER HUGHES INC38 citations92
US7946357B2May 24, 2011
Drill bit with a sensor for estimating rate of penetration and apparatus for using same
BAKER HUGHES INC40 citations91
US7861805B2Jan 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC35 citations90
US7241049B2Jul 10, 2007
Micropore engagement surfaces for earth boring bit
BAKER HUGHES INC11 citations84
US8028770B2Oct 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC3 citations60
US7836792B2Nov 23, 2010
System, method and apparatus for enhanced cutting element retention and support in a rock bit
BAKER HUGHES INC0 citations52
US7975779B2Jul 12, 2011
Threaded cone retention system for roller cone bits
BAKER HUGHES INC0 citations51
US7823664B2Nov 2, 2010
Corrosion protection for head section of earth boring bit
BAKER HUGHES INC1 citations48
ROCHE SEQUENCING SOLUTIONS INC
5 patentsUS11237156B2Feb 1, 2022
Method and composition for detection of peptide cyclization using protein tags
ROCHE SEQUENCING SOLUTIONS INC0 citations46
US10641778B2May 5, 2020
System and method for analysis of peptide synthesis fidelity
ROCHE SEQUENCING SOLUTIONS INC0 citations46
US12595591B2Apr 7, 2026
Peptide libraries having enhanced subsequence diversity and methods for use thereof
ROCHE SEQUENCING SOLUTIONS INC0 citations45
US10393751B2Aug 27, 2019
Specific peptide binders to proteins identified via systematic discovery, maturation and extension process
ROCHE SEQUENCING SOLUTIONS INC0 citations39
US10427126B2Oct 1, 2019
System and method for longitudinal analysis of peptide synthesis
ROCHE SEQUENCING SOLUTIONS INC0 citations36